AMD Radeon R7 350 640SP vs AMD Radeon R9 280X2

VS

AMD Radeon R7 350 640SP AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 640SP 's Advantages

Lower TDP (55W vs 375W)

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 72.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon R9 280X2 +245%

4.096 TFLOPS

Radeon R7 350 640SP

VS

Radeon R9 280X2

Graphics Card

Jan 2019

Release Date

Unknown

Pirate Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

10

Compute Units

32

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

32.00 GPixel/s

37.00 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

1184 GFLOPS

FP32 (float)

4.096 TFLOPS

74.00 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Tahiti

Cape Verde XT

GPU Variant

Tahiti XTL (215-0821065)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Board Design

55W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

6x mini-DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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